Dynabrade 52672, Operating And Maintenance Manual

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This service chart is published as a guide to expectant life of component parts. The replacement levels are based on average tool
usage over one year. Dynabrade Inc. considers one year usage to be 1,000 hours or 50% of a man year. Parts included in motor
tune-up kit are identified by High Wear and Medium Wear items.
Parts Common to all Models:
Preventative Maintenance Schedule
For All 1 hp Slow Speed Extension Die Grinders
Note: Please refer to page 4 of tool manual for specific part number.
Index Part Description Number High Wear Medium Wear Low Wear Non-Wear
# Number Required 100% 70% 30% 10%
1 50012 Collet Cap 1 X
2
50013 1/4" Collet Insert 1 X
50016 6 mm Collet Insert 1 X
3 50011 Collet Body 1 X
4 96512 Retainer Ring 1 X
5 51956 Felt Seal 1 X
6 01007 Bearing 1 X
7 51955 Spindle Extension 1 X
8 51952 Handle Extension 1 X
9 53690 Extension Grip 1 X
10 54520 Bearing 2 T, X
11 51982 Spacer 1 X
12 51969 Coupling Nut 2 X
13 50902 Coupler 1 X
14 96498 Wave Spring 2 T, L
15 95438 O-Ring 1 T, X
16 53620 Adapter 1 X
17 01041 Grease Fitting 1 D
18 04014 Screw 1 L
19 53695 Adapter 1 X
20
See Note
Carrier 1 X
21
See Note
Planetary Gear 2 X
22 04026 Needle Bearing 4 X
23
53679 Shaft 2 X
24 53665 Ring Gear 1 X
25 51951 Shim Pack (3/pkg.) 1 T, L
26 51922 Front Bearing Plate 1 X
27 96441 Pin 2 X
28 51927 Spacer 1 T, L
29
See Note
Rotor 1 X
30 51926 Blade (4/pkg.) 1 T, X
31 51925 Cylinder 1 X
32 51923 Rear Bearing Plate 1 X
33 02057 Bearing 1 T, X
34 96445 Pin 2 X
35 51924 Gasket 1 T, X
36
See Note
Governor Assembly 1 X
37
See Note
Housing 1 X
38 96444 Pin 1 T, L
39 51949 Safety Lever Assembly 1 X
40 51946 Valve Stem Assembly 1 T, L
(Incl. 96443 O-Ring)
41 51945 Valve Seat 1 X
42 51944 Tip Valve 1 T, X
43 51943 Spring 1 X
44 96442 O-Ring 1 T, L
45 51940 Spacer 1 X
46 53682 Gasket 1 X
47 94528 Felt Seal 1 T, R1
48 53686 Muffler Cap 1 X
49 94924 Wave Spring 1 X
50 53683 Spacer 1 X
51 53681 Inlet Bushing 1 X
7
96532 – 1 Hp. Motor Tune-Up Kit
•
Tune-Up Kit includes high wear
and medium wear motor parts.
LEGEND
T Part included in 96532
Tune-up Kit
X Type of wear, no other
comments apply.
L Easily lost. Care during
assembly/disassembly.
D Easily damaged during
assembly/disassembly.
R1 Replace each time tool is
disassembled.
R2 Replace each second
time tool is disassembled.